Kat Von D Tattoo Liner, What it is: A liquid eyeliner with an innovative brush tip for effortless, precise application. What it does: Achieve eye perfection with this high-pigment, waterproof liner that stays put all day for a fade-, melt-, crack-, and run-resistant finish. The superfine and flexible brush tip glides across the lashline for incredibly fluid application, allowing you to create a variety of looks with ease.